17-letter words containing ac
- chloroacetic acid — a colourless crystalline soluble strong acid prepared by chlorinating acetic acid and used as an intermediate in the manufacture of many chemicals; monochloracetic acid. Formula: CH2ClCOOH
- chlortetracycline — an antibiotic used in treating many bacterial and rickettsial infections: obtained from the bacterium Streptomyces aureofaciens. Formula: C22H23ClN2O8
- christmas cracker — a decorated cardboard tube that emits a bang when pulled apart, releasing a toy, a joke, or a paper hat.
- chugach mountains — a coastal mountain range in S Alaska, extending W from the St. Elias Mountains. Highest peak, Mount Marcus Baker, 13,176 feet (4016 meters).
- cigarette machine — a vending machine from which cigarettes can be purchased
- citric acid cycle — Krebs cycle.
- climbing accident — an accident occurring during climbing
- clinical efficacy — Clinical efficacy is a measure of how well a treatment succeeds in achieving its aim.
- coliform bacillus — any of several bacilli, especially Escherichia coli and members of the genus Aerobacter, found as commensals in the large intestine of humans and certain other animals, the presence of which in water indicates fecal pollution.
- coliform bacteria — a large group of bacteria inhabiting the intestinal tract of humans and animals that may cause disease and whose presence in water is an indicator of faecal pollution
- complete fracture — a bone fracture in which the bone is split completely across.
- compound fraction — complex fraction
- compound fracture — A compound fracture is a fracture in which the broken bone sticks through the skin.
- computer literacy — basic, nontechnical knowledge about computers and how to use them; familiarity and experience with computers, software, and computer systems.
- consolidation act — an Act of Parliament resulting from the combination of two or more previous Acts of Parliament
- conspiracy theory — A conspiracy theory is a belief that a group of people are secretly trying to harm someone or achieve something. You usually use this term to suggest that you think this is unlikely.
- contact potential — the potential generated by the contact of two dissimilar materials in air or in a vacuum.
- contract practice — the medical treatment of a group of persons by a physician or physicians with fees and services mutually agreed upon in advance.
- contracting party — a person, company, etc, entering into a legal contract
- contraction joint — a joint between two parts of a structure, designed to compensate for the contraction to which either part may be subject.
- control character — a character in a data stream that signals the device receiving the data to perform a particular control function, as changing the line spacing on a printer from single to double-spaced.
- converter reactor — a nuclear reactor for converting one fuel into another, esp one that transforms fertile material into fissionable material
- counteraccusation — An accusation made in reply to another accusation.
- counterattraction — a rival attraction
- course protractor — a navigational instrument for measuring the bearing of a course as given on a chart, having a disk calibrated in degrees and an arm pivoted about the center of the disk.
- cover your tracks — If someone covers their tracks, they hide or destroy evidence of their identity or their actions, because they want to keep them secret.
- cracked gas dryer — A cracked gas dryer is a piece of equipment for removing water vapor from natural gas, for example, using adsorbers and membranes.
- cracking severity — Cracking severity is the temperature used in a cracking process to yield a product, higher temperatures being used to produce ethane and benzene, and lower temperatures to produce propene and liquid products.
- credit facilities — a type of loan made by a bank
- cross-lot bracing — bracing extending from one side of an excavation to the opposite to retain the earth on both sides.
- crude oil cracker — A crude oil cracker is the part of a refinery and the equipment used for changing crude oil to its fractions, using heat and pressure.
- cylinder capacity — the cylinder volume that is swept by the pistons of an internal-combustion engine
- de facto standard — A widespread consensus on a particular product or protocol which has not been ratified by any official standards body, such as ISO, but which nevertheless has a large market share. The archetypal example of a de facto standard is the IBM PC which, despite is many glaring technical deficiencies, has gained such a large share of the personal computer market that it is now popular simply because it is popular and therefore enjoys fierce competition in pricing and software development.
- diacetone alcohol — a colorless, flammable liquid with a pleasant odor, C 6 H 12 O 2 : used as a solvent for lacquers, dyes, cellulose nitrate, and resins.
- dicarboxylic acid — any carboxylic acid that contains two carboxyl groups per molecule
- dictating machine — a device that records spoken words, as on audiocassettes, for playing back later to prepare a transcript
- dictionary attack — an attempt to hack into a computer or network by submitting every word in a dictionary as a possible password
- diphenylacetylene — tolan.
- dipterocarpaceous — of, relating to, or belonging to the Dipterocarpaceae, a family of trees chiefly native to tropical SE Asia, having two-winged fruits. Many species yield useful timber and resins
- dirt track racing — motorcycle racing on a dirt track
- displacement hull — a hull that displaces a significant volume of water when under way.
- disruptive action — action performed by protestors, workers, etc that causes the disruption of a service
- distance teaching — teaching via correspondence or the internet, where students are not physically present in a classroom
- double refraction — the separation of a ray of light into two unequally refracted, plane-polarized rays of orthogonal polarizations, occurring in crystals in which the velocity of light rays is not the same in all directions.
- double track line — a railway line with double track
- douglas macarthur — Douglas, 1880–1964, U.S. general: supreme commander of allied forces in SW Pacific during World War II and of UN forces in Korea 1950–51.
- east pacific rise — a long north-south elevation of the sea floor in the E Pacific Ocean extending southward from SW Mexico to the Antarctic Ocean.
- education contact — (job) The person at a company who should receive educational material.
- egg on one's face — embarrassment due to an obvious blunder
- egyptian brackets — (programming, humour) A humourous term for K&R indent style, referring to the "one hand up in front, one down behind" pose which popular culture inexplicably associates with Egypt.